# ４択化学 vs ダンケ中学公民

The clearest difference is in-app purchases: ４択化学 at none against ダンケ中学公民's 1. ４択化学 also leads on update cadence (every 2 months vs every 22 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ダンケ中学公民 sells 1 one-off in-app purchase. ４択化学 asks for nothing beyond the download.

４択化学 ships an update every 2 months, ダンケ中学公民 every 22 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ４択化学 | ダンケ中学公民 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 22 months |
| Size | 6 MB | 15 MB |
| Requires iOS | **17.0** | 18.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [junpei ono](https://appshunter.io/developer/656630939) | [Norio Takeda](https://appshunter.io/developer/1485221811) |

## What reviewers say

### ４択化学

[App page](https://appshunter.io/ios/app/id960647263)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ダンケ中学公民

[App page](https://appshunter.io/ios/app/id1598387653)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ゴールドコイン | $7.99 | one-time |


## Frequently asked questions

### Is ４択化学 free?

４択化学 is free to download, with no in-app purchases.

### Is ダンケ中学公民 free?

ダンケ中学公民 is free to download, with in-app purchases available.

### Do ４択化学 or ダンケ中学公民 have ads?

Neither ４択化学 nor ダンケ中学公民 shows ads.

### Which is updated more often, ４択化学 or ダンケ中学公民?

４択化学 ships an update every 2 months, and ダンケ中学公民 every 22 months. Most recently, ４択化学 was updated on November 1, 2026 and ダンケ中学公民 on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*